Home / 6,180.64-8,528.56-3,941.60

Finding the Fourth Proportional to 6,180.64, 8,528.56 and 3,941.60

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Solution

The fourth proportional to 6,180.64, 8,528.56 and 3,941.60 is: 5,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.64 : 8,528.56 = 3,941.60 : x
  2. Step 2: Convert to fraction form
    6,180.64/8,528.56 = 3,941.60/x
  3. Step 3: Cross multiply
    6,180.64x = 8,528.56 × 3,941.60
  4. Step 4: Simplify right side
    6,180.64x = 33,616,172.10
  5. Step 5: Solve for x
    x = 33,616,172.10/6,180.64
  6. Step 6: Final answer
    x = 5,438.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.